Capacity PVR3000D: 3000VA/2400W Input nominal voltage 220 or 230 VAC Input voltage range 110 - 270 VAC or 110 - 280 VAC (Wide input window) 140 - 260 VAC or 150 - 270 VAC (Normal input window) Input frequency range 50/ 60Hz Output voltage 220 or 230 VAC Efficiency Normal mode: 95% AVR mode: 92% Digital or meter display Input and output voltage Delay time (protection) 3 minutes or 10 seconds Full protection Over-voltage, under-voltage, over-heat and over-current protection